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Free 4A0-C02 Exam Braindumps (page: 7)

Page 6 of 20
PDF with 603 Questions

A Carrier Supporting Carrier (CSC) VPRN is configured on a Nokia 7750 SR for a customer carrier offering VPRN services. Which of the following about this configuration is FALSE?

  1. In the CSC VPRN, configure an eBGP session between CSC-PE and CSC-CE and use the CLI command “advertise-label vpn-ipv4” to enable the advertisement of VPN-IPv4 routes.
  2. When the customer carrier uses the same autonomous system number in various sites, use the CLI command “loop-detect off” to disable the loop detection functionality on CSC-CE and PE routers.
  3. On the CSС-PE routers, use the CLI command “carrier-carrier-vpn” to configure the VPRN service as CS
  4. Configure an iBGP session between PE1 and PE2 and use the CLI command “family vpn-ipv4” to directly exchange end-customer routes learned from CE1 and CE2.

Answer(s): A



Which of the following is a benefit of a hub and spoke VPRN topology?

  1. Reduced number of VPN tunnels that need to be managed.
  2. Optimal routing between all sites.
  3. Limited configuration required on the hub PE device.
  4. Site to site redundancy support.

Answer(s): A



Community lists are configured for the PE hub and spoke VPRN. Which communities should be imported by the VPRN service on PE1?

  1. “Spoke_Sites”
  2. “Hub_Site”
  3. “Spoke_Sites” and “Hub_Site”
  4. No communities should be imported.

Answer(s): B



For the Carrier Supporting Carrier (CSC) VPRN, which routes are advertised between CSC-CE1 and CSC-PE1?

  1. VPN-IPv4 routes for all PE system addresses in AS 1000.
  2. BGP labeled IPv4 routes for all PE system addresses in AS 1000.
  3. VPN-IPv4 routes for all PE system addresses in AS 5000.
  4. BGP labeled IPv4 routes for all PE system addresses in AS 5000.

Answer(s): D






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